Lighting apparatus and installations; food steamers, electric; cookers; cooking stoves; cooking apparatus and installations; kitchen ranges [ovens]; roasters; gas burners; roasting apparatus; bread toasters; microwave ovens [cooking apparatus]; heating boilers; heating apparatus, electric; heating elements; heating plates; microwave ovens for industrial purposes; lighting devices and installations; refrigerators; refrigerating appliances and installations; air conditioners; air-conditioning apparatus; air purifying apparatus; heating installations; bath fittings; disinfectant apparatus; water purifying apparatus; drinking fountains; radiators, electric.